.. _pylab_examples-to_numeric: pylab_examples example code: to_numeric.py ========================================== .. plot:: /home/tcaswell/other_source/matplotlib/doc/mpl_examples/pylab_examples/to_numeric.py :: #!/usr/bin/env python """ Use backend agg to access the figure canvas as an RGB string and then convert it to an array and pass it to Pillow for rendering. """ import pylab from matplotlib.backends.backend_agg import FigureCanvasAgg try: from PIL import Image except ImportError: raise SystemExit("PIL must be installed to run this example") pylab.plot([1,2,3]) canvas = pylab.get_current_fig_manager().canvas agg = canvas.switch_backends(FigureCanvasAgg) agg.draw() s = agg.tostring_rgb() # get the width and the height to resize the matrix l,b,w,h = agg.figure.bbox.bounds w, h = int(w), int(h) X = pylab.fromstring(s, pylab.uint8) X.shape = h, w, 3 im = Image.fromstring( "RGB", (w,h), s) # Uncomment this line to display the image using ImageMagick's # `display` tool. # im.show() Keywords: python, matplotlib, pylab, example, codex (see :ref:`how-to-search-examples`)